Patents by Inventor Henri Chauffriat

Henri Chauffriat has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for hydrophobising and improving the beading effect of construction materials
    Patent number: 8062754
    Abstract: The invention relates to the use of waterproofing liquid silicon compositions for impregnating porous construction materials, for example mineral or (ligno)cellulose materials.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: November 22, 2011
    Assignee: Bluestar Silicones France
    Inventors: Yves Giraud, Martial Deruelle, Henri Chauffriat, Sandrine Millot, Jair Maggioni
  • Method for Hydrophobising and Improving the Beading Effect of Construction Materials
    Publication number: 20090215939
    Abstract: The invention relates to the use of waterproofing liquid silicon compositions for impregnating porous construction materials, for example mineral or (ligno)cellulose materials.
    Type: Application
    Filed: July 5, 2006
    Publication date: August 27, 2009
    Applicant: Bluestar Silicones France
    Inventors: Yves Giraud, Martial Deruelle, Henri Chauffriat, Sandrine Millot, Jair Maggioni
  • Waterproofing/shaping of quarried building materials
    Patent number: 5021262
    Abstract: Quarried building materials, e.g., slate, marble and stone, are waterproofed and structurally shaped by sawing such quarried material while concomitantly introducing water into the cutting zone, and wherein the process water contains an effective waterproofing amount of a silicone emulsion.
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: June 4, 1991
    Assignee: Rhone-Poulenc Chimie
    Inventors: Gerard Bouillard, Henri Chauffriat